16071215551 has 2 divisors, whose sum is σ = 16071215552. Its totient is φ = 16071215550.

The previous prime is 16071215521. The next prime is 16071215561. The reversal of 16071215551 is 15551217061.

It is a strong prime.

It is an emirp because it is prime and its reverse (15551217061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16071215551 - 2⁵ = 16071215519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16071215521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8035607775 + 8035607776.

It is an arithmetic number, because the mean of its divisors is an integer number (8035607776).

Almost surely, 2^16071215551 is an apocalyptic number.

16071215551 is a deficient number, since it is larger than the sum of its proper divisors (1).

16071215551 is an equidigital number, since it uses as much as digits as its factorization.

16071215551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10500, while the sum is 34.

The spelling of 16071215551 in words is "sixteen billion, seventy-one million, two hundred fifteen thousand, five hundred fifty-one".